<!-- eslint-disable no-undef -->
<script setup>
import { useUserStore } from '@/stores'
import { ref } from 'vue'
import { Plus, Upload } from '@element-plus/icons-vue'
import { userUpdateAvatarService } from '@/api/user'

const uploadRef = ref()
const userStore = useUserStore()
const imageUrl = ref('')
imageUrl.value = userStore.user.user_pic
// const userInfo = { id, user_pic}

const onSelect = (uploadFile) => {
    // 基于 FileReader 读取图片做预览
    const reader = new FileReader()
    reader.readAsDataURL(uploadFile.raw)
    reader.onload = () => {
        imageUrl.value = reader.result
    }
}
const onUpload = async () => {
    // 发送请求更新用户头像
    await userUpdateAvatarService(imageUrl.value)
    // userStore重新渲染
    await userStore.getUser()
    // 提示用户
    ElMessage.success('用户头像更新成功')
}
</script>
<template>
    <page-container title="更换头像">
        <el-upload
            ref="uploadRef"
            class="avatar-uploader"
            :on-change="onSelect"
        >
            <img v-if="imageUrl" :src="imageUrl" class="avatar" />
            <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
        </el-upload>
        <el-button type="primary" size="large" :icon="Plus" @click="uploadRef.$el.querySelector('input').click()">选择图片</el-button>
        <el-button type="success" size="large" :icon="Upload" @click="onUpload">上传头像</el-button>
    </page-container>
</template>

<style lang="scss" scoped>
.avatar-uploader {
  :deep() {
    .avatar {
      width: 278px;
      height: 278px;
      display: block;
    }
    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }
    .el-upload:hover {
      border-color: var(--el-color-primary);
    }
    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 278px;
      height: 278px;
      text-align: center;
    }
  }
}
</style>